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Professional photography

Professional photography is the occupation of taking pictures and selling them freelance or as part of a contract usually with a publication.

Contributors in Professional photography

Professional photography

Piezo-electric flash

Photography; Professional photography

Tiny flash bulbs (normally housed in flash cubes) which can be fired by a very low current produced by striking a piezo-electric crystal. Such bulbs can therefore be used without a battery.

Interleaving

Photography; Professional photography

Method of agitating more than one sheet of photographic paper in the same tray of chemicals.

Polarisation

Photography; Professional photography

Light said to travel in a a wave motion along a straight path, vibrating in all directions. polarisation can be brought about with a polarising philtre which causes light to vibrate in a single plane ...

Transposing frame

Photography; Professional photography

Frame used for printing pairs of stereoscopic negatives from a two lens camera.

Advanced photo system (APS)

Photography; Professional photography

Consumer photography developed by Kodak and four other companies - Canon, Fuji, Minolta and Nikon . It is based on a new film format and photofinishing technologies.

Darkslide

Photography; Professional photography

Slide-in plastic sheet used on sheet film cameras over the front of the film holder to protect the emulsion from light.

Interference

Photography; Professional photography

Interaction of light waves when they meet and either reinforce or cancel each other (e.g. holograms).

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